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add size_hint for dict iterator

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Brian Hicks 2022-09-12 10:24:03 -05:00
parent ca8490dc71
commit 39f73b4c7b
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6
crates/roc_std/src/roc_dict.rs
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@ -89,6 +89,12 @@ impl<'a, K, V> Iterator for IntoIter<'a, K, V> {
item
}
fn size_hint(&self) -> (usize, Option<usize>) {
let remaining = self.items.0.len() - self.index;
(remaining, Some(remaining))
}
}
impl<K: Debug, V: Debug> Debug for RocDict<K, V> {